{
  "document": {
    "acknowledgments": [
      {
        "names": [
          "Yokogawa"
        ],
        "organization": "JPCERT",
        "summary": "reporting this vulnerability to NCCIC"
      }
    ],
    "category": "csaf_security_advisory",
    "csaf_version": "2.0",
    "distribution": {
      "text": "Disclosure is not limited",
      "tlp": {
        "label": "WHITE",
        "url": "https://us-cert.cisa.gov/tlp/"
      }
    },
    "lang": "en-US",
    "notes": [
      {
        "category": "general",
        "text": "This CSAF advisory was extracted from unstructured data and may contain inaccuracies. If you notice any errors, please reach out to the designated contact at CISA CSAF: central@cisa.dhs.gov",
        "title": "CISA Disclaimer"
      },
      {
        "category": "legal_disclaimer",
        "text": "All information products included in https://us-cert.cisa.gov/ics are provided \"as is\" for informational purposes only. The Department of Homeland Security (DHS) does not provide any warranties of any kind regarding any information contained within. DHS does not endorse any commercial product or service, referenced in this product or otherwise. Further dissemination of this product is governed by the Traffic Light Protocol (TLP) marking in the header. For more information about TLP, see https://us-cert.cisa.gov/tlp/.",
        "title": "Legal Notice"
      },
      {
        "category": "summary",
        "text": "Successful exploitation of this vulnerability could allow a local attacker to generate false system or process alarms, or block system or process alarm displays.",
        "title": "Risk evaluation"
      },
      {
        "category": "other",
        "text": "Critical Manufacturing, Energy, Food and Agriculture",
        "title": "Critical infrastructure sectors"
      },
      {
        "category": "other",
        "text": "Worldwide",
        "title": "Countries/areas deployed"
      },
      {
        "category": "other",
        "text": "Japan",
        "title": "Company headquarters location"
      },
      {
        "category": "general",
        "text": "NCCIC recommends that users take defensive measures to minimize the risk of exploitation of this vulnerability. Specifically, users should:",
        "title": "Recommended Practices"
      },
      {
        "category": "general",
        "text": "NCCIC reminds organizations to perform proper impact analysis and risk assessment prior to deploying defensive measures.",
        "title": "Recommended Practices"
      },
      {
        "category": "general",
        "text": "NCCIC also provides a section for control systems security recommended practices on the ICS-CERT web page. Several recommended practices are available for reading and download, including Improving Industrial Control Systems Cybersecurity with Defense-in-Depth Strategies.",
        "title": "Recommended Practices"
      },
      {
        "category": "general",
        "text": "Organizations observing any suspected malicious activity should follow their established internal procedures and report their findings to NCCIC for tracking and correlation against other incidents.",
        "title": "Recommended Practices"
      },
      {
        "category": "general",
        "text": "Additional mitigation guidance and recommended practices are publicly available in the ICS-CERT Technical Information Paper, ICS-TIP-12-146-01B--Targeted Cyber Intrusion Detection and Mitigation Strategies, available for download from the ICS-CERT website.",
        "title": "Recommended Practices"
      },
      {
        "category": "other",
        "text": "No known public exploits specifically target this vulnerability. This vulnerability is not exploitable remotely. High skill level is needed to exploit.",
        "title": "Exploitability"
      }
    ],
    "publisher": {
      "category": "coordinator",
      "contact_details": "Email: CISAservicedesk@cisa.dhs.gov;\n Toll Free: 1-888-282-0870",
      "name": "CISA",
      "namespace": "https://www.cisa.gov/"
    },
    "references": [
      {
        "category": "self",
        "summary": "ICS Advisory ICSA-18-102-01 JSON",
        "url": "https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/OT/white/2018/icsa-18-102-01.json"
      },
      {
        "category": "self",
        "summary": "ICS Advisory ICSA-18-102-01 Web Version",
        "url": "https://www.cisa.gov/news-events/ics-advisories/icsa-18-102-01"
      },
      {
        "category": "external",
        "summary": "Recommended Practices",
        "url": "https://www.cisa.gov/uscert/ics/alerts/ICS-ALERT-10-301-01"
      },
      {
        "category": "external",
        "summary": "Recommended Practices",
        "url": "https://www.cisa.gov/news-events/ics-advisories/icsa-18-102-01"
      },
      {
        "category": "external",
        "summary": "Recommended Practices",
        "url": "https://www.cisa.gov/uscert/sites/default/files/recommended_practices/NCCIC_ICS-CERT_Defense_in_Depth_2016_S508C.pdf"
      }
    ],
    "title": "Yokogawa CENTUM and Exaopc",
    "tracking": {
      "current_release_date": "2018-04-12T00:00:00.000000Z",
      "generator": {
        "engine": {
          "name": "CISA CSAF Generator",
          "version": "1.0.0"
        }
      },
      "id": "ICSA-18-102-01",
      "initial_release_date": "2018-04-12T00:00:00.000000Z",
      "revision_history": [
        {
          "date": "2018-04-12T00:00:00.000000Z",
          "legacy_version": "Initial",
          "number": "1",
          "summary": "ICSA-18-102-01 Yokogawa CENTUM and Exaopc"
        }
      ],
      "status": "final",
      "version": "1"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version",
                "name": "vers:all/*",
                "product": {
                  "name": "B/M9000 CS: all versions",
                  "product_id": "CSAFPID-0001"
                }
              }
            ],
            "category": "product_name",
            "name": "B/M9000 CS"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "<= R6.03.10",
                "product": {
                  "name": "CENTUM VP Basic: versions R6.03.10 and prior",
                  "product_id": "CSAFPID-0002"
                }
              }
            ],
            "category": "product_name",
            "name": "CENTUM VP Basic"
          },
          {
            "branches": [
              {
                "category": "product_version",
                "name": "vers:all/*",
                "product": {
                  "name": "CENTUM CS 1000: all versions",
                  "product_id": "CSAFPID-0003"
                }
              }
            ],
            "category": "product_name",
            "name": "CENTUM CS 1000"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "<= R3.09.50",
                "product": {
                  "name": "CENTUM CS 3000: versions R3.09.50 and prior",
                  "product_id": "CSAFPID-0004"
                }
              }
            ],
            "category": "product_name",
            "name": "CENTUM CS 3000"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "<= R3.75.00",
                "product": {
                  "name": "Exaopc: versions R3.75.00 and prior",
                  "product_id": "CSAFPID-0005"
                }
              }
            ],
            "category": "product_name",
            "name": "Exaopc"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "<= R6.03.10",
                "product": {
                  "name": "CENTUM VP Small: versions R6.03.10 and prior",
                  "product_id": "CSAFPID-0006"
                }
              }
            ],
            "category": "product_name",
            "name": "CENTUM VP Small"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "<= R3.09.50",
                "product": {
                  "name": "CENTUM CS 3000: Small versions R3.09.50 and prior",
                  "product_id": "CSAFPID-0007"
                }
              }
            ],
            "category": "product_name",
            "name": "CENTUM CS 3000"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "<= R6.03.10",
                "product": {
                  "name": "CENTUM VP: versions R6.03.10 and prior",
                  "product_id": "CSAFPID-0008"
                }
              }
            ],
            "category": "product_name",
            "name": "CENTUM VP"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "<= R8.01.01",
                "product": {
                  "name": "B/M9000 VP: versions R8.01.01 and prior",
                  "product_id": "CSAFPID-0009"
                }
              }
            ],
            "category": "product_name",
            "name": "B/M9000 VP"
          }
        ],
        "category": "vendor",
        "name": "Yokogawa"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2018-8838",
      "cwe": {
        "id": "CWE-284",
        "name": "Improper Access Control"
      },
      "notes": [
        {
          "category": "summary",
          "text": "A weakness in access controls may allow a local attacker to exploit the message management function of the system.CVE-2018-8838 has been assigned to this vulnerability. A CVSS v3 base score of 6.5 has been calculated; the CVSS vector string is (AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:H/A:H).",
          "title": "Vulnerability Summary"
        }
      ],
      "product_status": {
        "known_affected": [
          "CSAFPID-0001",
          "CSAFPID-0002",
          "CSAFPID-0003",
          "CSAFPID-0004",
          "CSAFPID-0005",
          "CSAFPID-0006",
          "CSAFPID-0007",
          "CSAFPID-0008",
          "CSAFPID-0009"
        ]
      },
      "references": [
        {
          "category": "external",
          "summary": "web.nvd.nist.gov",
          "url": "http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2018-8838"
        },
        {
          "category": "external",
          "summary": "www.first.org",
          "url": "https://www.first.org/cvss/calculator/3.0#CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:H/A:H"
        }
      ],
      "remediations": [
        {
          "category": "mitigation",
          "details": "CENTUM CS 1000, CENTUM CS 3000, CENTUM CS 3000 Small - No updates will be provided as these products are at end of support. Yokogawa recommends that affected users upgrade to the latest CENTUM VP.",
          "product_ids": [
            "CSAFPID-0001",
            "CSAFPID-0002",
            "CSAFPID-0003",
            "CSAFPID-0004",
            "CSAFPID-0005",
            "CSAFPID-0006",
            "CSAFPID-0007",
            "CSAFPID-0008",
            "CSAFPID-0009"
          ]
        },
        {
          "category": "mitigation",
          "details": "CENTUM VP, CENTUM VP Small, CENTUM VP BASIC - affected users should update to version R5.04.B2 or R6.04.00.",
          "product_ids": [
            "CSAFPID-0001",
            "CSAFPID-0002",
            "CSAFPID-0003",
            "CSAFPID-0004",
            "CSAFPID-0005",
            "CSAFPID-0006",
            "CSAFPID-0007",
            "CSAFPID-0008",
            "CSAFPID-0009"
          ]
        },
        {
          "category": "mitigation",
          "details": "Exaopc - affected users should update to version R3.76.00",
          "product_ids": [
            "CSAFPID-0001",
            "CSAFPID-0002",
            "CSAFPID-0003",
            "CSAFPID-0004",
            "CSAFPID-0005",
            "CSAFPID-0006",
            "CSAFPID-0007",
            "CSAFPID-0008",
            "CSAFPID-0009"
          ]
        },
        {
          "category": "mitigation",
          "details": "B/M9000CS - The vulnerability does not exist in this product however, the existence of affected software on the same PC may affect alarms for this device.",
          "product_ids": [
            "CSAFPID-0001",
            "CSAFPID-0002",
            "CSAFPID-0003",
            "CSAFPID-0004",
            "CSAFPID-0005",
            "CSAFPID-0006",
            "CSAFPID-0007",
            "CSAFPID-0008",
            "CSAFPID-0009"
          ]
        },
        {
          "category": "vendor_fix",
          "details": "B/M9000 VP - The vulnerability does not exist in this product however, the existence of affected software on the same PC may affect alarms for this device.",
          "product_ids": [
            "CSAFPID-0001",
            "CSAFPID-0002",
            "CSAFPID-0003",
            "CSAFPID-0004",
            "CSAFPID-0005",
            "CSAFPID-0006",
            "CSAFPID-0007",
            "CSAFPID-0008",
            "CSAFPID-0009"
          ]
        },
        {
          "category": "mitigation",
          "details": "Please see Yokogawa Security Advisory Report YSAR-18-0001",
          "product_ids": [
            "CSAFPID-0001",
            "CSAFPID-0002",
            "CSAFPID-0003",
            "CSAFPID-0004",
            "CSAFPID-0005",
            "CSAFPID-0006",
            "CSAFPID-0007",
            "CSAFPID-0008",
            "CSAFPID-0009"
          ],
          "url": "https://web-material3.yokogawa.com/YSAR-18-0001-E.pdf"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 6.5,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:H/A:H",
            "version": "3.0"
          },
          "products": [
            "CSAFPID-0001",
            "CSAFPID-0002",
            "CSAFPID-0003",
            "CSAFPID-0004",
            "CSAFPID-0005",
            "CSAFPID-0006",
            "CSAFPID-0007",
            "CSAFPID-0008",
            "CSAFPID-0009"
          ]
        }
      ]
    }
  ]
}